Fix art tests

dalvikvm needs to be compiled for 32-bit and 64-bit.

Change-Id: I184d7e4e3338c0858b0520f7eba7f9b256cfc02a
diff --git a/dalvikvm/Android.bp b/dalvikvm/Android.bp
index 69d13db..c617248 100644
--- a/dalvikvm/Android.bp
+++ b/dalvikvm/Android.bp
@@ -18,6 +18,7 @@
     name: "dalvikvm",
     host_supported: true,
     defaults: ["art_defaults"],
+    compile_multilib: "both",
 
     srcs: ["dalvikvm.cc"],
     cflags: [